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• <br /> EXHIBIT A <br /> DESCRIPTION OF PROJECT IMPROVEMENTS <br /> The sewerage system proposed for the Southwest Everett Sewer <br /> LID includes approximately 42 ,890 linear feet of pressure <br /> interceptor pipelines, one sewage pump station and treatment <br /> plant facilities (influent pump station and headworks) . The <br /> pump station will be located at the confluence of Pigeon <br /> Creek No. 1 and Port Gardner Bay and lying just south of the <br /> Burlington Northern railroad . The treatment plant facilities <br /> will be located at the site of the existing City of Everett <br /> sewage treatment plant on Smith Island. <br /> The specific description of the pipelines is approximately <br /> as follows : <br /> Lineal Pipe <br /> Feet of Diameter <br /> Pipeline (inches) Location <br /> Mukilteo-Beach Interceptor <br /> 1,400 18 Along Power Mill Gulch from an <br /> existing manhole located on Mukilteo <br /> Boulevard northerly to Port Gardner <br /> Bay <br /> 3 ,760 18 On the beach northeasterly parallel- <br /> 2 ,650 21 ing the Burlington Northern railroad <br /> 6 ,060 24 from Powder Mill Gulch to Pigeon <br /> Creek No. 1 and existing pump station <br /> No. 1 <br /> Southwest Interceptor <br /> 3 , 150 30 Northeasterly parallelling to the <br /> Burlington Northern railroad from <br /> Pigeon Creek No. 1 and existing pump <br /> station No. 1 to ravine below Laurel <br /> Drive . <br /> 610 30 Southeasterly in ravine from Burling- <br /> ton Northern railroad to Laurel Drive. <br /> 340 30 Easterly on Laurel Drive from ravine <br /> to Tulalip Avenue <br /> 360 30 Southerly on Tulalip Avenue from <br /> Laurel Drive to 33rd Street <br /> 1 <br />